The restore_exception_handler() function restores the previous exception handler. It is used after changing the exception handler function using set_exception_handler(), to revert to the previous exception handler (which could be the built-in or a user defined function).
Syntax
restore_exception_handler()
Parameters
- NA
Return
The restore_exception_handler() function always return TRUE.
Example
The following is an example −
<?php function customException1($exception) { echo "[" . __FUNCTION__ . "]" . $exception->getMessage(); } function customException2($exception) { echo "[" . __FUNCTION__ . "]" . $exception->getMessage(); } function customException3($exception) { echo "[" . __FUNCTION__ . "]" . $exception->getMessage(); } set_exception_handler("customException1"); set_exception_handler("customException2"); set_exception_handler("customException3"); restore_exception_handler(); // throwing exception throw new Exception("Triggers the first exception handler!"); ?>
Output
The following is the output −
[customException1] Triggers the first exception handler!